7272589 has 4 divisors (see below), whose sum is σ = 7339420. Its totient is φ = 7205760.

The previous prime is 7272581. The next prime is 7272593. The reversal of 7272589 is 9852727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9852727 = 2087 ⋅4721.

It can be written as a sum of positive squares in 2 ways, for example, as 4182025 + 3090564 = 2045^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272589 - 2³ = 7272581 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33252 + ... + 33469.

It is an arithmetic number, because the mean of its divisors is an integer number (1834855).

Almost surely, 2^7272589 is an apocalyptic number.

It is an amenable number.

7272589 is a deficient number, since it is larger than the sum of its proper divisors (66831).

7272589 is a wasteful number, since it uses less digits than its factorization.

7272589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66830.

The product of its digits is 70560, while the sum is 40.

The square root of 7272589 is about 2696.7738132813. The cubic root of 7272589 is about 193.7446333581.

The spelling of 7272589 in words is "seven million, two hundred seventy-two thousand, five hundred eighty-nine".